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Who benefits from R0 resection? A single-center analysis of patients with stage Ⅳ gallbladder cancer

摘要:

Objectives: Most patients with gallbladder cancer (GBC) present with advanced-stage disease and have a poor prognosis. Radical resection remains the only therapeutic option to improve survival in patients with GBC. This study aimed to analyze the prognostic factors in patients with stage Ⅳ GBC and to identify a subgroup of patients who might benefit from R0 resection. Methods: A total of 285 patients with stage Ⅳ GBC were retrospectively analyzed at our institution from January 2008 to December 2012. Factors potentially influencing the prognosis of GBC after surgery were analyzed by univariate and multivariate analyses. Results: The 1-, 3-, and 5-year overall survival rates were 6.6% (15/229), 0.9% (2/229), and 0 (0/229), respectively. Ascites (relative risk [RR] = 1.631, 95% confidence interval [CI]: 1.221-2.180, P = 0.001), pathological grade (RR = 1.337, 95% CI: 1.050-1.702, P = 0.018), T stage (RR = 1.421, 95% CI: 1.099-1.837, P = 0.000), M stage (RR = 1.896, 95% CI: 1.409-2.552, P=0.000), and surgery (RR=1.542, 95% CI: 1.022-2.327, P=0.039) were identified as independent risk factors influencing prognosis. The median survival time (MST) was significantly higher in patients undergoing R0 resection than in those undergoing R1/R2 resection (6.0 vs. 2.7 months; P<0.001). In subgroup analyses, stageⅣA patients benefited from R0 resection (MST for R0 vs. R1/R2, 11.0 vs. 4.0 months; P = 0.003), while R0 resection had a significant survival benefit than R1/R2 resection in patient with stage ⅣB GBC without distant metastasis (MST for R0 vs. R1/R2, 6.0 vs. 3.0 months; P =0.007). Conclusion: Ascites, pathological grade, T stage, M stage, and surgery were independent risk factors influencing prognosis in patients with stage Ⅳ GBC. N2 lymph node metastasis did not preclude curative resection, and radical resection should be considered in patients with stageⅣGBC without distant metastasis once R0 margin was achieved.

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作者单位: Department of Hepatobiliary Surgery,First Affiliated Hospital of Xi'an Jiaotong University,Xi'an,Shaanxi 710061,China [1] Department of Geriatric Surgery,First Affiliated Hospital of Xi'an Jiaotong University,Xi'an,Shaanxi 710061,China [2] Department of Epidemiology and Biostatistics,School of Public Health,Xi'an Jiaotong University Health Science Center,Xi'an,Shaanxi 710061,China [3] Department of Pathology,First Affiliated Hospital of Xi'an Jiaotong University,Xi'an,Shaanxi 710061,China [4]
栏目名称: Original Articles
发布时间: 2019-12-26
基金项目:
Dr. Zhi-Min Geng was supported by National Nat-ural Science Foundation of China Natural Science Basic Research Plan in Shaanxi Province of China
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